&\multicolumn{1}{c}{(1)}&\multicolumn{1}{c}{(2)}&\multicolumn{1}{c}{(3)}&\multicolumn{1}{c}{(4)}&\multicolumn{1}{c}{(5)}&\multicolumn{1}{c}{(6)}\\
&\multicolumn{1}{c}{Post}&\multicolumn{1}{c}{Pre}&\multicolumn{1}{c}{Two-wave}&\multicolumn{1}{p{2.75cm}}{\centering (1) vs. (2), p-value}&\multicolumn{1}{p{2.75cm}}{\centering (1) vs. (3), p-value}&\multicolumn{1}{p{2.75cm}}{\centering (2) vs. (3), p-value}\\
\hline
Income  & 0.541 & 0.574 & 0.654 & 0.518 & 0.022 & 0.103 \\   & (0.035) & (0.035) & (0.034) \\College  & 0.244 & 0.289 & 0.246 & 0.304 & 0.960 & 0.337 \\   & (0.030) & (0.032) & (0.031) \\Age  & 0.392 & 0.408 & 0.405 & 0.648 & 0.718 & 0.936 \\   & (0.024) & (0.025) & (0.027) \\Female  & 0.507 & 0.508 & 0.508 & 0.995 & 0.992 & 0.996 \\   & (0.035) & (0.036) & (0.036) \\Party ID  & 3.522 & 3.624 & 3.686 & 0.450 & 0.275 & 0.668 \\   & (0.100) & (0.090) & (0.112) \\